21 filings
4
Christopher Theron Usher
13 May 22
ION GEOPHYSICAL / Christopher Theron Usher ownership change
4:31pm
4
Christopher Theron Usher
3 Dec 21
ION GEOPHYSICAL / Christopher Theron Usher ownership change
6:05pm
4
Christopher Theron Usher
3 Sep 21
ION GEOPHYSICAL / Christopher Theron Usher ownership change
5:37pm
4
Christopher Theron Usher
13 May 21
ION GEOPHYSICAL / Christopher Theron Usher ownership change
4:41pm
4
Christopher Theron Usher
21 Apr 21
ION GEOPHYSICAL / Christopher Theron Usher ownership change
9:26pm
4
b3dbimem9 51v
3 Sep 20
ION GEOPHYSICAL / Christopher Theron Usher ownership change
4:31pm
4
kehn6u
20 Feb 20
ION GEOPHYSICAL / Christopher Theron Usher ownership change
4:18pm
4
85ptzl
4 Sep 19
ION GEOPHYSICAL / Christopher Theron Usher ownership change
5:15pm
4
0w8s0ib50ib2j4y5 32d
5 Mar 19
ION GEOPHYSICAL / Christopher Theron Usher ownership change
4:24pm
4
nqcxyb04
4 Dec 18
ION GEOPHYSICAL / Christopher Theron Usher ownership change
7:31pm
4
f9mz 4lg406
1 Jun 18
ION GEOPHYSICAL / Christopher Theron Usher ownership change
4:44pm
4
ffhv tdzevrlk35u36
2 Mar 18
ION GEOPHYSICAL / Christopher Theron Usher ownership change
12:00am
4
5l8w93v3igc7wjr em0
19 Dec 17
ION GEOPHYSICAL / Christopher Theron Usher ownership change
12:00am
4
jmcqpqzb
18 Dec 17
ION GEOPHYSICAL / Christopher Theron Usher ownership change
12:00am
4
0vp0v om5by
2 Jun 17
ION GEOPHYSICAL / Christopher Theron Usher ownership change
12:00am
4
dbfrqa9
3 Mar 17
ION GEOPHYSICAL / Christopher Theron Usher ownership change
12:00am
4
5gl i7g03klapnr
2 Dec 16
ION GEOPHYSICAL / Christopher Theron Usher ownership change
12:00am
4
sfq9e8mvx8ilbllh
2 Jun 16
ION GEOPHYSICAL / Christopher Theron Usher ownership change
12:00am
4
36a012 jy
17 Mar 16
ION GEOPHYSICAL / Christopher Theron Usher ownership change
12:00am
4
juftoazu4 g9osx2
3 Mar 16
ION GEOPHYSICAL / Christopher Theron Usher ownership change
12:00am